//加载web界面

转自：http://www.brighttj.com/ios/ios-wkwebview-new-features-and-use.html

WKWebView*wWKWebView alloc] initWithFrame:self.view.bounds];

[webViewloadRequest:[NSURLRequest requestWithURL:[NSURLURLWithString:@"https://www.baidu.com"]]];

[self.view addSubview:webView];

WKNavigationDelegate

WKWebViewConfiguration*config = [[WKWebViewConfiguration alloc]init];

//页面开始加载时调用

- (void)webView:(WKWebView*)webView didStartProvisionalNavigation:(WKNavigation *)navigation;

//当内容开始返回时调用

- (void)webView:(WKWebView*)webView didCommitNavigation:(WKNavigation *)navigation;

//页面加载完成之后调用

- (void)webView:(WKWebView*)webView didFinishNavigation:(WKNavigation *)navigation;

//页面加载失败时调用

- (void)webView:(WKWebView*)webView didFailProvisionalNavigation:(WKNavigation *)navigation;

//接收到服务器跳转请求之后调用

- (void)webView:(WKWebView*)webView didReceiveServerRedirectForProvisionalNavigation:(WKNavigation*)navigation;

//在收到响应后，决定是否跳转

- (void)webView:(WKWebView

*)webView decidePolicyForNavigationResponse:(WKNavigationResponse

*)navigationResponse decisionHandler:(void(^)(WKNavigationResponsePolicy))decisionHandler;

//在发送请求之前，决定是否跳转

- (void)webView:(WKWebView

*)webView decidePolicyForNavigationAction:(WKNavigationAction *)navigationAction

decisionHandler:(void(^)(WKNavigationActionPolicy))decisionHandler;

WKUIDelegate

self.webView.UIDelegate

= self;

//创建一个新的WebView

- (WKWebView*)webView:(WKWebView *)webViewcreateWebViewWithConfiguration:(WKWebViewConfiguration *)configurationforNavigationAction:(WKNavigationAction *)navigationActionwindowFeatures:(WKWindowFeatures *)windowFeatures;

/**

*web界面中有弹出警告框时调用

*

*@param webView实现该代理的webview

*@param message警告框中的内容

*@param frame主窗口

*@param completionHandler警告框消失调用

*/

- (void)webView:(WKWebView

*)webView runJavaScriptAlertPanelWithMessage:(NSString*)message

initiatedByFrame:(void(^)())completionHandler;